updatestardrivers_installer.exe

UpdateStar GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application updatestardrivers_installer.exe by UpdateStar GmbH has been detected as a potentially unwanted program by 3 anti-malware scanners. The program is a setup application that uses the installCore installer. The file has been seen being downloaded from gsf-cf.softonic.com and multiple other hosts.
Publisher:
UpdateStar GmbH  (signed and verified)

MD5:
e247df13b035d1727d0f77ecf6968bcf

SHA-1:
48e5d5bd660366d4145f032a67a4f330e6fe3696

SHA-256:
7c5b1b2cf5508d1352f6c827631bd0fc51728560b206a2099b6e125d46d86bac

Scanner detections:
3 / 68

Status:
Potentially unwanted

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
12/23/2024 4:27:57 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
MalSign.InstallC
2015.0.3505

Reason Heuristics
PUP.UpdateStarGmbH.BB
14.2.16.9

Trend Micro House Call
TROJ_GEN.F47V0827
7.2.5

File size:
462.1 KB (473,144 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
1/2/2013 3:00:00 AM

Valid to:
1/3/2016 2:59:59 AM

Subject:
CN=UpdateStar GmbH, O=UpdateStar GmbH, STREET=Hauptstraße 20, L=Berlin, S=Berlin, PostalCode=10827, C=DE

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
009ED227324380B40DDE36C8D31A33831F

File PE Metadata
Compilation timestamp:
7/22/2013 11:53:48 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
12288:stdI/MMKnSRJjA7BiFzQ7r0WhfJ5Vp7b6YzTQesiqXGeQj/lGYk7Pa:sti/UnSbRFWhx5Vp7OYzTQesf0j/JO

Entry address:
0x100E00

Entry point:
60, BE, 00, 20, 49, 00, 8D, BE, 00, F0, F6, FF, 57, EB, 0B, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89, C5, EB, 0B, 01, DB, 75, 07, 8B...
 
[+]

Entropy:
7.9021

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.24

Code size:
448 KB (458,752 bytes)

The file updatestardrivers_installer.exe has been seen being distributed by the following 6 URLs.

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